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Old 01-17-2010, 03:30 PM
KiwiFord KiwiFord is offline
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Gas mileage comparison 351C vs 400....

Hey all,
I used to run a 351 Cleveland in my car, it had been tricked up a bit. I was wondering how the gas mileage of that will compare to a 400?
I know the 77 F150 will be heavier, and less aerodynamic...but will they be hugely different?
Thanks,
Shane
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Old 01-17-2010, 05:11 PM
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smokeyb97 smokeyb97 is offline
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Quote:
Originally Posted by KiwiFord View Post
Hey all,
I used to run a 351 Cleveland in my car, it had been tricked up a bit. I was wondering how the gas mileage of that will compare to a 400?
I know the 77 F150 will be heavier, and less aerodynamic...but will they be hugely different?
Thanks,
Shane
Probably in the 10-12 mpg range for a carbureted 400, if your lucky.
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1979 F100 Ranger, 351M/408c.i., Tmeyer pistons and eng. kit
Engine work by Performance Specialties Inc., B'ham, Al.
C6 by Performance Torque Converters, Muscle Shoals, Al.
Engine Dyno'd - 339HP@4300rpm, 478FT/LBS@2900rpm
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Old 01-17-2010, 05:11 PM
 
 
 
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